president obama saluted the honorees. >>> coming up after your local news on "cbs this morning," a special broadcast from the smithsonian american art museum and national portrait gallery in washington. i'm anne-marie green. this is the "cbs morning news." ♪ ♪ can you barbeque a turkey? ♪ [ ding! ] losing your chex mix too easily? time to deploy the boring-potato chip decoy bag. then no one will want to steal the deliciousness. [ male announcer ] with a variety of tastes and textures, only chex mix is a bag of interesting. [ male announcer ] with a variety of tastes and textures, two hamster wheels..." ♪ "...and a rawhide enough for three." ♪ ho, ho, ho, ho... (female announcer) celebrate the joy in giving! save 20% on hundreds of items and save up to $2 on milk-bone® or pup-peroni® dog treats and get $2 worth of coupons in specially marked bags! at petsmart®. >>> a potentially powerful weapon in the fight against cancer. according to new research an experimental treatment using gene therapy has a high success rate against leukemia and other blood cancers. doctors say white bl